Fashion Design: Fashionable, waterproof, simple, generous and compact design. With hanging buckle: With hanging buckle, it can be hung on the collar for easy outing and easy to wear. Lightweight: Lightweight and water resistant clip light makes a perfect alarm signature and good protection for your dog at dark night when she or he is playing outside. Illuminated pendant, lighting mode: flashing - always bright - off, can be selected as needed. Safe for dog: Keep your dog safe at night and wear a light pendant to make your pets stand out at night and prevent them from being lost.Specification: Material: ABS Color: Colorful / Red / Blue / Orange / Pink (Optional) Product Size: Approx. 5.7 * 3.5 * 2.5cm/2.2 * 1.4 * 1.0in Lighting Mode: Quick Flash, Always on, Off Working Voltage: 6V Battery Capacity: 20mA LED Lamp Power: 0.06W Luminescence Time: Quick Flash: 150 Hours, Always on: 100 HoursBattery: 2pcs * 2032 Button Batteries (included)